New X-Men #34
an issue of New X-Men by Marvel Comics
Issue description
“MERCURY RISING"
The Facility turned X-23's childhood into a blood-stained nightmare and now they're gunning for the New X- Men. How far will the team go to save one of their teammates, and once they've crossed over into X-23's violent world, is there any coming back? The kids will never look at X-23 the same again as the fallout from X- 23: TARGET X continues here. Part 2 (of 4)!